On a more scholarly level, Mr. MacKerron is collecting the information tostudytherelationship between moods, communities and the places people spend time.
This was an observational study of roughly 16, 000 women, so it was not able to establish a cause and effect relationship between taking the supplements and death, but the correlation was significant.
She said their relationship had ended when she left the school tostudy abroad, though she had received a stream of letters from Mr Brewer signed Mat, which she said stood for "Middle Aged Teacher".